"""
Copyright (c) 2022 Huawei Technologies Co.,Ltd.

openGauss is licensed under Mulan PSL v2.
You can use this software according to the terms and conditions of the Mulan PSL v2.
You may obtain a copy of Mulan PSL v2 at:

          http://license.coscl.org.cn/MulanPSL2

THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
See the Mulan PSL v2 for more details.
"""
"""
Case Type   : 兼容M*数据库timestamp数据类型
Case Name   : 设置时区，测试timestamp类型
Create At   : 2023.08.25
Owner       : z@wan005
Description :
    1、建表
    2、插入数据
    3、查询
    4、清理环境
Expect      :
    1、成功
    2、成功
    3、成功，时区为+00
    4、成功
History     :
"""

import os
import unittest

from testcase.utils.Common import Common
from testcase.utils.CommonSH import CommonSH
from testcase.utils.Constant import Constant
from testcase.utils.Logger import Logger


class CompatibilityTest31(unittest.TestCase):

    def setUp(self):
        self.log = Logger()
        self.sh_primary = CommonSH('PrimaryDbUser')
        self.constant = Constant()
        self.common = Common()
        self.db_name = "db_timestamp_0031"
        self.tb_name = "tb_timestamp_0031"

    def test_time(self):
        self.log.info(f'-----{os.path.basename(__file__)} start-----')
        self.log.info('----前置条件：创建兼容b库---')
        sql_cmd = f"drop database if exists {self.db_name};" \
                  f"create database {self.db_name} dbcompatibility 'b';"
        self.log.info(sql_cmd)
        sql_res = self.sh_primary.execut_db_sql(sql_cmd)
        self.log.info(sql_res)
        self.assertIn(self.constant.CREATE_DATABASE_SUCCESS, sql_res)

        text = '-step1:建表;expect:成功--'
        self.log.info(text)
        sql_cmd = f'''drop table if exists {self.tb_name};
        create table {self.tb_name}(ts1 timestamp);'''
        self.log.info(sql_cmd)
        sql_res = self.sh_primary.execut_db_sql(sql_cmd,
                                                dbname=self.db_name)
        self.log.info(sql_res)
        self.assertIn(self.constant.TABLE_CREATE_SUCCESS, sql_res,
                      '执行失败:' + text)

        text = '-step2:插入数据;expect:成功--'
        self.log.info(text)
        sql_cmd = f'''set time zone 'UTC';
        insert {self.tb_name} values('00031-01-01 00:00:00.000000');
        insert {self.tb_name} values('294277-01-09 00:00:00.000000');
        insert {self.tb_name} values('294277-01-08 23:59:59.9999999');
        insert {self.tb_name} values('294277-01-09 00:00:00');
        insert {self.tb_name} values('01-01-01 00:00:00');
        insert {self.tb_name} values('9999-12-31 23:59:59');
        insert {self.tb_name} values('9999-12-31 23:59:59.9999999');'''
        self.log.info(sql_cmd)
        sql_res = self.sh_primary.execut_db_sql(sql_cmd,
                                                dbname=self.db_name)
        self.log.info(sql_res)
        self.assertEqual(7, sql_res.count('INSERT 0 1'), '执行失败:' + text)

        text = '-step3:查询;expect:成功，时区为+00--'
        self.log.info(text)
        sql_cmd = f"set time zone 'UTC';" \
                  f"select * from {self.tb_name};" \
                  f"reset time zone;"
        self.log.info(sql_cmd)
        sql_res = self.sh_primary.execut_db_sql(sql_cmd,
                                                dbname=self.db_name)
        self.log.info(sql_res)
        rows, _ = self.common.parse_sql_query_res(sql_res)
        expect = [['0031-01-01 00:00:00+00'], ['294277-01-09 00:00:00+00'],
                  ['294277-01-09 00:00:00+00'],
                  ['294277-01-09 00:00:00+00'], ['2001-01-01 00:00:00+00'],
                  ['9999-12-31 23:59:59+00'], ['10000-01-01 00:00:00+00']]
        self.assertEqual(rows, expect, '执行失败' + text)

    def tearDown(self):
        text = '----step4:清理环境;expect:成功----'
        self.log.info(text)
        sql_cmd = f"drop database {self.db_name};"
        self.log.info(sql_cmd)
        drop_res1 = self.sh_primary.execut_db_sql(sql_cmd,
                                                  dbname='postgres')
        self.log.info(drop_res1)
        self.assertIn(self.constant.DROP_DATABASE_SUCCESS, drop_res1,
                      '执行失败' + text)
        self.log.info(f'-----{os.path.basename(__file__)} end-----')
